If not functioning properly, the PCV valve can lead to numerous drivability and emissions issues, but what is the meaning of ...

The positive crankcase ventilation valve releases exhaust gas and unburned fuel from the engine block into the intake manifold. All engines allow some exhaust gases, unburned fuel and oil to ...

Much like the battle raging between electric cars and gas engines today ... burning low-quality gasoline (and engine oil) ...

development of a special engine for gas propulsion; or by the enrichment of coal or coke-oven gas. Without such adjustments, gas cannot enter into successful competition with heavy oil for road ...